Happy as a clam: Dive with the world's largest bivalves, or just kick back, in Fiji fair. Jordan Riefe / Monique De Caro Consider the giant clam. A simple bivalve of two equal shells connected by a ...

In the sand surrounding coral reefs, the giant clam reigns supreme; they are massive, multi-colored, and statuesque. As the largest living bivalve mollusk, the giant clam acts as a lynchpin for its ...

Once abundant, the massive, colorful clam is now locally extinct in many regions, with a critical drop in population due to overfishing and climate change. The giant clam, known for its colorful ...